head to head
Neither is simply harder - they are hard in different places. SpyParty demands more reads; World of Tanks demands more optimization.

Reads · Pure Mind Games
A spy performs missions at a cocktail party while a sniper studies the crowd for one inhuman tell.

Reads · Mind & Math
Slow-burn tank PvP with deep meta.
SpyParty leans Reads (Pure Mind Games); World of Tanks leans Reads (Mind & Math).
World of Tanks leans a little harder on execution, though the gap is small.
SpyParty
Sniper aim and spy input precision matter at high level.
World of Tanks
Aim and lead matter but slow
SpyParty leans clearly harder on reads.
SpyParty
Pure 1v1 behavioral modeling; both players adapt endlessly.
World of Tanks
Map positioning versus humans is reads
World of Tanks leans a little harder on variance, though the gap is small.
SpyParty
Mission sets and partygoer randomness add modest noise.
World of Tanks
Shell RNG and matchmaking swing fights
World of Tanks leans clearly harder on optimization.
SpyParty
Tells, timings, and mission orders reward deep study.
World of Tanks
Tank loadouts and crew skills solvable
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.